402 321 — BOLT,CLOSE TOLERANCE

✓ Government record, cited

Ricoh · BOLT SCREW

PRODUCT OVERVIEW

402 321: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a Ricoh industrial component. Key specifications include head_style: HEXAGON, grip_length: 1.812 INCHES NOMINAL IN, head_height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN, thread_length: 0.469 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-182-1802, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

402 321

NSN: 5306-00-182-1802
FSC: 5306 — Bolts
CAGE: 77294 — PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC DIV PIPER INDUSTRIAL MANUFACTURING COMPANY (USA)

SPECIFICATIONS

material	STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
head_style	HEXAGON
grip_length	1.812 INCHES NOMINAL IN
head_height	0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN
thread_length	0.469 INCHES MINIMUM IN
surface_finish	63.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length	2.281 INCHES NOMINAL IN
hardness_rating	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM AND CHROMATE OVERALL
NSN	5306-00-182-1802

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES GRIP

•

HEAD HEIGHT: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN

•

FASTENER LENGTH: 2.281 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL

•

THREAD LENGTH: 0.469 INCHES MINIMUM IN

•

HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL

•

CRITICALITY CODE JUSTIFICATION: AGAV

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES GRIP
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT	0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
FASTENER LENGTH	2.281 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
THREAD LENGTH	0.469 INCHES MINIMUM IN
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
CRITICALITY CODE JUSTIFICATION	AGAV
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	HEXAGON

OTHER ITEMS IN FSC 5306 — Bolts

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459

SUBSTITUTES & CROSS-REFERENCES 1

AN174-22ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 402 321?

402 321 is a BOLT,CLOSE TOLERANCE manufactured by Ricoh.

What parts can replace 402 321?

There is 1 known substitute for 402 321: AN174-22A. Substitute compatibility should be verified for your specific system.

What is the NSN for 402 321?

402 321 is cataloged in the U.S. Government catalog under NSN 5306-00-182-1802. This indicates validated use in U.S. government and defense supply chains.

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